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State Tax Data

Providing journalists, taxpayers, and policymakers with the latest data on taxes and spending is a cornerstone of the Tax Foundation’s educational mission.

As a nonpartisan, educational organization, the Tax Foundation has earned a reputation for independence and credibility. Our state tax policy team regularly provides accessible, data-driven insights on state tax rates, collections, burdens and more, from sources such as the U.S. Census Bureau, Internal Revenue Service (IRS), and others.

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State tax Global Intangible Low-Taxed Income (GILTI)

GILTI Minds: Why Some States Want to Tax International Income—And Why They Shouldn’t

The new federal tax on Global Intangible Low-Taxed Income (GILTI) is something of a misnomer: it’s certainly global and it’s definitely income, but the rest of it is, at best, an approximation. It’s not exclusively levied on low-taxed income, nor just on the economic returns from intangible property. So what is GILTI, why might states tax it, and what’s the problem with that?

8 min read